netdev - Re: [net-next 2/6] igb: Check if subordinate VFs are assigned to virtual machines

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Date:	Mon, 17 Oct 2011 04:54:06 -0700
From:	Jeff Kirsher <jeffrey.t.kirsher@...el.com>
To:	"davem@...emloft.net" <davem@...emloft.net>
Cc:	"Rose, Gregory V" <gregory.v.rose@...el.com>,
	"netdev@...r.kernel.org" <netdev@...r.kernel.org>,
	"gospo@...hat.com" <gospo@...hat.com>,
	"sassmann@...hat.com" <sassmann@...hat.com>,
	Konrad Rzeszutek Wilk <konrad.wilk@...cle.com>,
	Christian Benvenuti <benve@...co.com>,
	Sathya Perla <sathya.perla@...lex.com>,
	Dimitris Michailidis <dm@...lsio.com>,
	Jon Mason <jdmason@...zu.us>,
	James Smart <james.smart@...lex.com>
Subject: Re: [net-next 2/6] igb: Check if subordinate VFs are assigned to
 virtual machines

On Mon, 2011-10-17 at 04:32 -0700, Kirsher, Jeffrey T wrote:
> From: Greg Rose <gregory.v.rose@...el.com>
> 
> Kvm and the Xen pci-back driver will set a flag in the virtual
> function
> pci device dev_flags when the VF is assigned to a guest VM.  Before
> destroying subordinate VFs check to see if the flag is set and if so
> skip the call to pci_disable_sriov() to avoid system crashes.
> 
> Copy the maintainer for the Xen pci-back driver.  Also CC'ing
> maintainers of all drivers found to call pci_disable_sriov().
> 
> Cc: Konrad Rzeszutek Wilk <konrad.wilk@...cle.com>
> Cc: Christian Benvenuti <benve@...co.com>
> Cc: Sathya Perla <sathya.perla@...lex.com>
> Cc: Dimitris Michailidis <dm@...lsio.com>
> Cc: Jon Mason <jdmason@...zu.us>
> Cc: James Smart <james.smart@...lex.com>
> 
> Signed-off-by: Greg Rose <gregory.v.rose@...el.com>
> Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@...el.com> 

Dave- please do not pull this patch (or the series).  There is an issue
with this patch.

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